10 Ft Samsung-Galaxy-Tab Tablet-USB-Charging Sync-Data-Cable-30-Pin for Galaxy-Tab-2 10.1 8.9 7.7 7.0 Plus; Note-10.1-GT-N8013-GT-P5113 SGH-I497 SCH-I915 GT-P3113 GT-P3100 SCH-I705 GT-P7510 Brand New Generic 10FT LONG High Quality Data/Charging USB Cable. You cannot charge Samsung tablets from your Laptop / PC; computer USB port does not output enough power to charge a tablet Use to connect your Galaxy Tab to a PC or charger / Connect your SAMSUNG Galaxy Tab to your compatible PC allowing your tab to become an external modem Uses USB connection for power source. It is convenient, easy to use, and 100% compatible with the existing Samsung Tablets (7 and 10.1 models). With high-quality and sturdy engineering, this cable is a must have for in your home, car, traveling, and more.